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03-03-2010, 07:58 AM | #23 |
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It is not true? Are you saying that a cast wheel is stronger than a forged wheel?
In this case, the question was... will the cast 19" wheel will be lighter than the forged 19" wheel. All things being equal, the cast wheel will NOT be lighter than a forged wheel of the same size. However, in the event that is it, the cast wheel achieved its low weight because it may have less material, therefore, less material normally mean less rigidity in the wheel which may cause a wheel to bend or be structurally weaker. If you think that BMW made a cast wheel that is lighter and stronger than the more expensive, super light forged wheel, then I think you are wrong. Consider other wheel manufacturers like BBS and HRE, who are in the top echelon of wheel making. They too have trouble getting a comparable forged monobloc wheel to be lighter than the stock forged 19"s. The only wheels that I have read about being lighter and stronger are the RAC wheels in the current GB. -SZ |
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03-03-2010, 08:01 AM | #24 | |
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Thanks for clarifying that. |
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03-03-2010, 08:02 AM | #26 |
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03-03-2010, 10:36 AM | #27 |
One mod leads to another ...
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+1 GB would be very nice.
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03-03-2010, 11:18 AM | #28 | |
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RAYS/Volk Fikse (if they're still in business)
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03-03-2010, 11:25 AM | #29 |
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Yes, Neez is made by the same people to make the RAC wheels (forged on a 8000 ton press). Fikse wheels are also very light as are RAYS/Volk. Have you looked at the weights of a these wheels compared to the factory forged 19"s? Compare a monobloc style when in the same width and size as the factory 19"s. 9/10 the factory forged 19"s are actually lighter.
Additionally, a set of comparable wheels from Neez is about $7k; the RACs are $4k because they were designed by Shep and Co. with the help of forum members with a minimum of 20 orders. I highly doubt BMW is putting $7k wheels on any on their cars. Considering that the cast wheels are actually less expensive than the factory forged, the package will not include anything at the Fikse, RAYS or Neez level. I would say they may be marginally better than VMR wheels, which are quality, certified cast wheels. -SZ -SZ |
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03-03-2010, 12:48 PM | #30 |
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03-03-2010, 01:16 PM | #31 | |
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http://www.m3post.com/forums/showpos...postcount=1932 and http://www.m3post.com/forums/showpos...98&postcount=2
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03-03-2010, 01:47 PM | #32 | |
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My whole point was that if the new performance package wheel is cast, it will not be lighter than the factory forged 19'. To get a lighter wheel, one must go with a Neez or RAC, which is by far, a better wheel than BMW will ever put on one of their consumer level cars. |
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03-03-2010, 02:06 PM | #34 | |
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03-03-2010, 02:11 PM | #35 | |
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Edit: However, I wish they would be forged because we will now have another factory option for our M3s. Things being equal, I will always buy a BMW part over a non-BMW part. -SZ |
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03-03-2010, 02:38 PM | #36 |
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my guess is that the ZCP wheels will utilize "low pressure casting" to keep the weight down.
Alloy Technic also makes a super light monoblock forged wheel.
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03-03-2010, 03:18 PM | #37 |
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I recall that BMW said the GTS wheels are flow-formed cast. Assuming these are just the GTS wheels with a silver finish, then they'll likely be manufactured the same way.
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03-03-2010, 03:18 PM | #38 |
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Amen.
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03-04-2010, 02:40 AM | #39 |
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03-09-2010, 02:09 AM | #42 |
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in for the group buy just let me know!
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